June 14, 2023, 1:10 a.m. | Rui Jin, Lin Huang, Jikang Duan, Wei Zhao, Yong Liao, Pengyuan Zhou

cs.CR updates on arXiv.org arxiv.org

Completely Automated Public Turing Test To Tell Computers and Humans Apart
(CAPTCHA) has been implemented on many websites to identify between harmful
automated bots and legitimate users. However, the revenue generated by the bots
has turned circumventing CAPTCHAs into a lucrative business. Although earlier
studies provided information about text-based CAPTCHAs and the associated
CAPTCHA-solving services, a lot has changed in the past decade regarding
content, suppliers, and solvers of CAPTCHA. We have conducted a comprehensive
investigation of the latest third-party …

automated bots business captcha captchas computers generated humans identify investigation public revenue services test turing turing test website websites

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